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  #11  
Old 11-20-2020, 01:01 PM
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Quote:
Originally Posted by TOGA View Post
And it is Rubidium.

I am trying to find review of OP21A in Japanese, but
canít find any. It is not as popular in Japan, isnít it ?

Toga
Any reviews for Cybershaft are in form of user/owner feedback on various forums, Agon, WBF, AA, Shark and AS.

28K for the STUTE,..yes quite expensive. I believe the Esoteric G1 is that or possibly more now.

The 1.9M JPY price for the G1 is the Japan price, in US it's much higher.

Would love to see someone put the STUTE on a test bench.

Grandaddy of them all, the BVA Sforzato OCXO at 33K (possibly higher now) blows them all away with lowest effective jitter and phase noise on the test bench.

Cybershaft OP21A, one-fifth the price and specs on test that meet and exceed even the mighty Sforzato from what I've seen in test results.
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  #12  
Old 11-20-2020, 01:34 PM
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Thanks , but what I am looking for are a reviews written by Japanese in Japanese. Wanna know how the Japanese think about it.

Anyway, is the phase noise the only thing that matters ?
Long time ago when I was a teenage I remembered choosing
Yamaha CX1000 over Pioneer C-91 because Yamaha had 0.001% lower
THD. For master clock, itís like we are chasing for the phase noise number, but how about the musical aspect. For me. Itís hard to spend
700,000• for clock based on phase noise without audition it. If I can
Find Cybershaft demo I am more than happy to try it. If cannot find, Esoteric clock is a safer bet as I felt G02X has performed well enough
In my system at a reasonable price. Just my two cents.

By the way this guy wrote a fun review of Cybershaft Rb and many clock cables. He used 02 combo and later K1.

http://rubi2947.blog.jp/archives/cat_281736.html
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  #13  
Old 11-20-2020, 05:31 PM
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That stat does sound impressive, yes I know a bit of marketing but still it puts in
perspective, accuracy of 1 second every 1000 years. The system in the Abendrot
website looks to die by having a full dCS stack *plus* the Stute master clock, wow.
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  #14  
Old 11-20-2020, 07:45 PM
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The real target is lowest effective jitter in the circuit. The lower the jitter the more accurate the playback. For good source material this has good side effects in terms of sounding more musical, better imaging, soundstaging, because the playback of the source is able to extract, decode and convey what is there more accurately, etc...

See the sites I mentioned as well as others as to what is measured to calculate jitter specs...

The big ticket items are

Phase noise at 1, 10 and 100 Hz
Allen Deviation and Variance
Short term stability of the clock

The fact a clock only loses 1 second every 1000 years is less important than its short term accuracy and stability.
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Last edited by SCAudiophile; 11-20-2020 at 07:47 PM.
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  #15  
Old 11-20-2020, 09:37 PM
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I wish I didn't hear the differences a clock made in that video.

Without the clock, the sound is not as natural or refined and in the case of the Abendrot, tonally fleshed out.
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  #16  
Old 11-20-2020, 10:01 PM
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Pity the already expensive and good sounding G1 seemed to be beaten. let alone the
K1X on its own VCXO.
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  #17  
Old 11-21-2020, 03:24 AM
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Okay Captain (Toga), I listened to all he said. He does not really discuss the technical differences between the clocks in the G1 and K1X, but comparing the sound differences of CD>DSD with the G1, the G1 sound is more detailed and natural than with K1X, but the difference is not huge. With UPC>SACD, the highs with G1 seemed to climb much higher and the soundstage of the voices was twice as wide as in the K1X. All in all, the improvement was great with SACD.

I’ve just read this thread and I think you are asking about the Stute versus Esoteric more than the differences between G1 and K1X, which I focused on above. Give me a little time, and I’ll update this information to include the Stute. Being an Esoteric thread, I assumed you only cared about the Esoteric clocks ha ha ha.

With the Stute clock, the sound is very different. Of course, the sound of the mids and highs is better, but especially, the bass is improved (If I understood correctly ha ha ha).

Hope this helps
ron

Last edited by bachrocks; 11-22-2020 at 03:01 PM.
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  #18  
Old 11-22-2020, 03:02 AM
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Thanks a lot Ron, Bachrocks.
Usually I play CD as straight PCM, no UPC of any kind.
Even G02x, the smallest clock in Esoteric line, it made huge improvement., just canít imagine anything better.

Toga
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  #19  
Old 11-22-2020, 10:13 AM
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Quote:
Originally Posted by TOGA View Post
just canít imagine anything better.

Toga
Famous last words...
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  #20  
Old 11-22-2020, 10:42 AM
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Is the G1 still available
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